<h1><marquee behavior="alternate"><font color="#FF0000">Kalkulator String</font></marquee></h1>

<form id="form1" name="form1" method="post" action="">
  <table width="45%" border="1" align="center">
    <tr bgcolor="#00FFFF">
      <td width="25%">Kalimat </td>
      <td width="5%">:</td>
      <td width="70%"><label for="txtKalimat"></label>
      <input type="text" name="txtKalimat" id="txtKalimat"  value="<?php echo $kalimat;?>" /></td>
    </tr>
    <tr>
      <td height="38" bgcolor="#00FFFF">Hasil </td>
      <td bgcolor="#00FFFF">:</td>
      <td bgcolor="#00FFFF"><b><?php echo $hasil;?></td>
    </tr>
    <tr bgcolor="#00FF00">
      <th colspan="3" ><p>
        <input type="submit" name="btnUpper" id="btnUpper" value="Upper" />
        <input type="submit" name="btnLower" id="btnLower" value="Lower" />
        <input type="submit" name="btnJoin" id="btnJoin" value="Join" />
      </p>
        <p>
         <input type="submit" name="btnReverse" id="btnReverse" value="Reverse" />
         <input type="submit" name="btnCount" id="btnCount" value="Count" />
         <input type="submit" name="btnThumbinail" id="btnThumbinail" value="Thumbnail" />
         <input type="submit" name="btnReplace" id="btnReplaces" value="Replace" />
         <input type="submit" name="btnArray" id="btnArray" value="Array" />
        </p>
        <p>
        <input type="submit" name="btnIndexof" id="btnIndexof" value="Index Of" />
        <input type="submit" name="btnTime" id="btnTime" value="Time" />
        <input type="submit" name="btnToday" id="btnToday" value="Today" />
        <input type="submit" name="Bersih" id="button" value="Bersih" />
        </p></th>
    </tr>
  </table>

</form>


//Kalau yang di bawah tidak di pakai tidak papa Gan itu cuma coding kalender tambahan dari saya, tapi kalau mau di pakai ya tidak papa saya tidak melarang hahaha.

<table width="15%" border="1"  bordercolor="#FF0000" align="center">
    <tr>
      <td>
<?php
echo mycalender(date("d"),date("m"),date("Y"));
?>
<?php
function mycalender($tanggal,$bulan,$tahun) {
  $bulanan=array(1=>"Januari","Februari","Maret","April",
                    "Mei","Juni","Juli","Agustus","September",
                    "Oktober","November","Desember");
  $bln=date("n");
  $thn=date("Y");

  $jmlhari = date("t",mktime(0,0,0,$bulan,1,$tahun));
  $haritglsatu = date("w",mktime(0,0,0,$bulan,1,$tahun));

  $kalender = "<table cellspacing=1 cellpadding=4
              border=0 class=tabel_data>\\n";
  $kalender .= "<tr class=tr_terang>
              <td colspan=7 align=\'center\'><b><font color=\'#0000FF\'>_ $bulanan[$bln], $thn _
              </font></b></td></tr>\\n";

  $kalender .= "<tr class=tr_judul>
               <td><font color=\'#FF0000\'>Minggu</font></td><td>Senin</td><td>Selasa</td><td>Rabu</td>
               <td>Kamis</td><td>Jum\'at</td><td>Sabtu</td></tr>\\n";
  $a      = 1;
  $adabaris   = TRUE;
  $mulaicetak = 0;
  while ($adabaris) {
    $kalender .= "<tr align=center class=tr_terang>";
    for ($i = 0; $i < 7; $i++ ) {
      if ($mulaicetak < $haritglsatu) {
        $kalender .= "<td>&nbsp;</td>";
        $mulaicetak++;
      }
      elseif ($a <= $jmlhari) {
        $tt = $a;
        if ($a == $tanggal) {
          $tt = "<span style=\'color: blue; font-weight: bold;
                font-size: larger; text-decoration: blink;\'>
                $tt</span>";
        }
        if ($i == 0) {
          $tt = "<font color=\\"#FF0000\\">$tt</font>";
        }
        $kalender .= "<td>$tt</td>";
        $a++;
      }
      else {
        $kalender .= "<td>&nbsp;</td>";
      }
    }
    $kalender .= "</tr>\\n";
    if ($a <= $jmlhari) {
      $adabaris = TRUE;
    }
    else {
      $adabaris = FALSE;
    }
  }
  $kalender .= "</table>\\n";
  return $kalender;
}
?></td>
    </tr>
  </table>